Martha Speaks"Martha Speaks Martha Treads The Boards/Martha's Pack"
Martha Treads the Boards - Helen's mom and dad are starring in the community theater production, and Helen's the stage manager. Martha's Pack - When Helen leaves Martha off her family tree, Martha decides to make her own pack.G

3:00 pm

The Electric Company"The Unmuffins"
Something funny is going on. The Pranksters are being very helpful and The Electric Company is being awfully unfriendly. Will Jessica be able to fix things so everyone is back to normal?. D

3:30 pm

WordGirl"Oh What A Tangled Knot You Tie, Amazing Rope Guy/Kid Action News"
Oh What A Tangled Knot You Tie, Amazing Rope Guy - As a villain, the Amazing Rope Guy is not so amazing. He discovers that his true talent is mimicking others. When he goes on a crime spree impersonating all of the villains of the city WordGirl must find a way to end his career as an imposter. D

4:00 pm

Wild Kratts"Elephant in the Room"
The brothers come across a lone baby elephant and bring him back to the Tortuga HQ for safety until they can find his mom. But they learn how mischievous baby elephants can be and get more than they bargained for when it almost destroys the Tortuga! As they rush to get the baby elephant home, the WildKratts team realizes that animals have different structures that serve various functions in growth and survival. And an elephant's trunk is like the multipurpose tool of "creature features" with hundreds of uses, including: showering, blasting water, grabbing, lifting, communicating, "hearing", pushing and pulling. D

4:30 pm

Cyberchase"Model Behavior"
To protect themselves from Hacker's constant attempts to capture cybersite Happily-Ever-After, the King and his fairy-tale subjects construct a glass Skywall to keep Hacker out of the kingdom. But Hacker unfolds a brilliant scheme to crack open the Skywall - using the Wicked Witch's Voice! Can the kids use models to outwit Hacker before Wicked sings?!! The Big Idea: Make a model - a simplified version of something complicated - and you can easily and safely understand how it works. Math Topic: Using Models NCTM Links: Geometry. D

5:00 pm

Fetch! With Ruff Ruffman"Mission Improbable"
Ruff sends the FETCHers to Washington D.C. for training to become secret agents. D

5:30 pm

Nightly Business Report
New home sales cooled a little this summer but prices jumped to their highest level since the recession. NBR's Diane Eastabrook takes a look a new home construction in the Midwest. Radio Shack sacks its CEO promising to move in a new direction. D

Nature"The Animal House"
From termites' towering metropolises to prairie dogs' underground cities complete with heating, cooling and intersecting highways, NATURE goes above ground and underground on this tour of the homelife of wildlife. Guided by instinct, animal architects have developed some of the most innovative and practical dwellings in the world.G

8:00 pm

NOVA"Making Stuff Cleaner"
David Pogue explores the science and business of clean energy, examining alternative ways to generate it, store it and distribute it. One scientist uses chicken feathers to create a cheap way to make hydrogen cars safer. Pogue looks at the dependency on a rare resource in South America to make lithium batteries and how scientists might devise a way for batteries to run on molten salts, abundant in the U.S. Part 3 of 4G

9:00 pm

NOVA"Making Stuff Smarter"
Host David Pogue meets scientists who are working with materials that respond to their environments, such as an airplane wing that changes shape as it flies. Sharkskin is the inspiration for a substance that could be a match for antibiotic-resistant bacteria. One scientist has created a material that can render objects invisible. Part 4 of 4G

10:00 pm

Hustle
The team sets out to con upper-class twit Alfie Baron for millions. But all is not as it seems - Alfie is a plant by a group of aggrieved former marks who want their own back.G